if (typeof XMLHttpRequest == 'undefined') {
	XMLHttpRequest = function() {
		try {
			return new ActiveXObject('Msxml2.XMLHTTP.6.0');
		} catch (e) {}
		try {
			return new ActiveXObject('Msxml2.XMLHTTP.3.0');
		} catch (e) {}
		try {
			return new ActiveXObject('Msxml2.XMLHTTP');
		} catch (e) {}
		throw new Error('This browser does not support XMLHttpRequest');
	};
}
